Drawing board



FIG. 1 is a front elevational view of a drawing board showing my newdesign;

FIG. 2 is a rear view thereof;

FIG. 3 is the left side view thereof;

FIG. 4 is the right view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is the perspective view from front, left and bottom thereof.

The ornamental design for a drawing board, as shown and described.